在Ｃ＃填充窗體爲漸變顏色

protected override void OnPaintBackground(PaintEventArgs e)
2  {
3   LinearGradientBrush b = new LinearGradientBrush(this.ClientRectangle,
4    Color.Blue,Color.AliceBlue,90f); //線性漸變
5   e.Graphics.FillRectangle(b,this.ClientRectangle); // 填充窗體
6   b.Dispose(); // 釋放資源
7  }
8

 

 //panel填充漸變背景色

private void panel1_Paint(object sender, PaintEventArgs e)
{
    LinearGradientBrush brush = new LinearGradientBrush(e.ClipRectangle, Color.Red, Color.Blue, LinearGradientMode.Horizontal);
    e.Graphics.FillRectangle(brush, e.ClipRectangle);
}